"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

"{ Package: 'stx:libjava' }"

Array subclass:#JavaConstantPool

	instanceVariableNames:'owner'

	classVariableNames:'ConstantPools'

	poolDictionaries:''

	category:'Languages-Java-Reader-Support'

!

!JavaConstantPool class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 New code and modifications done at SWING Research Group [1]:

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

 [1] Code written at SWING Research Group contains a signature

     of one of the above copright owners. For exact set of such code,

     see the differences between this version and version stx:libjava

     as of 1.9.2010

"

! !

!JavaConstantPool class methodsFor:'accessing'!

allConstantPools

    "linked list of all constant pools in system"

    ^ ConstantPools.

    "Created: / 08-04-2011 / 16:53:58 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 09-04-2011 / 09:24:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

allConstantPools: anOorderedCollection 

    "linked list of all constant pools in system"

    ConstantPools := anOorderedCollection.

    "Created: / 08-04-2011 / 17:07:28 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 09-04-2011 / 09:24:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 11-04-2011 / 18:47:58 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaConstantPool class methodsFor:'special'!

invalidateForClass: internalJavaClassName 

    "Only alias, everybody calls invalidateForClass so why not me :)"

    ^self invalidateReferencesToClass: internalJavaClassName.

    "Created: / 08-04-2011 / 16:52:52 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

invalidateReferencesToClass: internalJavaClassName 

    "Go over all constant pools and call invalidateForClass on all 

     references. (usable when given class was unloaded etc)"

    ConstantPools do: [:each | each invalidateForClass: internalJavaClassName].

    "Created: / 08-04-2011 / 16:09:03 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaConstantPool methodsFor:'accessing'!

owner

    "return owner"

    ^ owner

    "Created: 28.6.1996 / 21:12:22 / cg"

!

owner:something

    "set owner"

    owner := something.

    "Created: 28.6.1996 / 21:12:22 / cg"

! !

!JavaConstantPool methodsFor:'adding'!

at: classRefIndex putClassRefWithNameAt: classNameIndex 

    self at: classRefIndex

        put: (JavaClassRef2 in: self withNameAt: classNameIndex).

    "Created: / 13-05-2011 / 09:48:01 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

at: fieldRefIndex putFieldRefWithClassAt: classRefIndex andNameAndTypeAt: nameAndTypeIndex 

    self at: fieldRefIndex

        put: (JavaFieldRef2 

                in: self

                withNameAndTypeAt: nameAndTypeIndex

                andClassAt: classRefIndex).

    "Created: / 13-05-2011 / 09:08:18 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

at: interfaceMethodRefIndex putInterfaceMethodRefWithClassAt: classRefIndex andNameAndTypeAt: nameAndTypeIndex 

    self at: interfaceMethodRefIndex

        put: (JavaInterfaceMethodRef2 

                in: self

                withNameAndTypeAt: nameAndTypeIndex

                andClassAt: classRefIndex).

    "Created: / 13-05-2011 / 09:08:50 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

at: methodRefIndex putMethodRefWithClassAt: classRefIndex andNameAndTypeAt: nameAndTypeIndex

    self at: methodRefIndex

        put: (JavaMethodRef2 in: self withNameAndTypeAt: nameAndTypeIndex andClassAt:classRefIndex).

    "Created: / 13-05-2011 / 09:07:47 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

at: nameAndTypeIndex putNameAndTypeWithNameAt: nameIndex andDescriptorAt: descriptorIndex

    self at: nameAndTypeIndex

        put: (JavaNameAndType2 in: self withNameAt: nameIndex andDescriptorAt: descriptorIndex).

    "Created: / 13-05-2011 / 09:05:34 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaConstantPool methodsFor:'invalidation'!

invalidateForClass: slashedJavaClassName

    "Invalidate all resolved references to given class.

     Returns true if at least one ref has been invalidated,

     false otherwise"

    | anyInvalidated |

    anyInvalidated := false.

    self do:[:ref|

        (ref notNil and:[ref isString not and:[ref isNumber not]]) ifTrue:[

            anyInvalidated := anyInvalidated | (ref invalidateForClass: slashedJavaClassName)].

        ].

    ^anyInvalidated

    "Created: / 08-04-2011 / 16:11:36 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 22-02-2012 / 20:53:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaConstantPool methodsFor:'printing & storing'!

displayString

    owner isNil ifTrue:[

        ^ '*** unowned ConstantPool'

    ].

    ^ 'ConstantPool of ' , owner fullName

    "Created: 28.6.1996 / 21:13:41 / cg"

    "Modified: 28.6.1996 / 21:20:26 / cg"

! !

!JavaConstantPool methodsFor:'queries'!

refersToMethod:aJavaMethod

    self error: 'JV@2011-07-26: Update to new resolving scheme!!'.

    self do:[:constItem |

        (constItem == aJavaMethod) ifTrue:[^ true].

    ].

    ^ false

    "Created: / 29-07-1997 / 17:39:19 / cg"

    "Modified: / 26-07-2011 / 18:00:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

refersToMethodNamed:aJavaMethodName

    self error: 'JV@2011-07-26: Update to new resolving scheme!!'.

    self do:[:constItem |

        (constItem isKindOf:JavaMethod) ifTrue:[

            constItem name = aJavaMethodName ifTrue:[^ true].

        ] ifFalse:[

        ]

    ].

    ^ false

    "Created: / 29-07-1997 / 17:39:24 / cg"

    "Modified: / 16-10-1998 / 01:22:02 / cg"

    "Modified: / 26-07-2011 / 17:54:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaConstantPool methodsFor:'special'!

classReferencesDo:aBlock

    self do:[:constItem |

        constItem isJavaClass ifTrue:[

            aBlock value:constItem

        ] 

    ]

    "Modified: / 7.8.1997 / 19:17:38 / cg"

    "Created: / 4.1.1998 / 00:40:11 / cg"

!

invalidateAll 

    "go over all entries and call invalidate on all references"

    self do: 

            [:entry | 

            entry isJavaRef 

                ifTrue: [ entry invalidate] ].

    "Created: / 13-05-2011 / 09:37:41 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

updateClassRefsFrom:oldClass to:newClass

owner == oldClass ifTrue:[

    self halt.

    ^ self

].

    self keysAndValuesDo:[:index :constItem |

        |nameIndex|

        constItem == oldClass ifTrue:[

            self at:index put:newClass

        ] ifFalse:[

            (constItem isNil

            or:[constItem isNumber]) ifFalse:[

                constItem isString ifTrue:[

                    "/ nothing done ...

                ] ifFalse:[

                    (constItem isMemberOf:(Java java_lang_String)) ifTrue:[

                        "/ nothing done ...

                    ] ifFalse:[

                        constItem isBehavior ifFalse:[

                            constItem updateClassRefsFrom:oldClass to:newClass

                        ] ifTrue:[

                            constItem isJavaClass ifTrue:[

                                constItem fullName = oldClass fullName ifTrue:[

                                    'JAVA: class update by name [in pool].' infoPrintCR.

                                    newClass isNil ifTrue:[

                                        "/ mhm - must find a slot for the classes name

                                        nameIndex := -1.

                                        self 

                                            at:index

                                            put:(JavaUnresolvedClassConstant

                                                    pool:self

                                                    poolIndex:index

                                                    nameIndex:nameIndex)

                                    ] ifFalse:[

                                        self at:index put:newClass

                                    ]

                                ]

                            ]

                        ]

                    ]

                ]

            ]

        ]

    ]

    "Modified: / 4.2.1998 / 22:12:03 / cg"

! !

!JavaConstantPool class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/libjava/JavaConstantPool.st,v 1.19 2013-02-25 11:15:31 vrany Exp $'

!

version_CVS

    ^ '$Header: /cvs/stx/stx/libjava/JavaConstantPool.st,v 1.19 2013-02-25 11:15:31 vrany Exp $'

!

version_HG

    ^ '$Changeset: <not expanded> $'

!

version_SVN

    ^ '§Id§'

! !